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https://github.com/thooge/esp32-nmea2000-obp60.git
synced 2025-12-13 05:53:06 +01:00
Added analog voltage display
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@@ -180,6 +180,48 @@ String xdrDelete(String input){
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return input;
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}
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Point rotatePoint(const Point& origin, const Point& p, double angle) {
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// rotate poind around origin by degrees
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Point rotated;
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double phi = angle * M_PI / 180.0;
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double dx = p.x - origin.x;
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double dy = p.y - origin.y;
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rotated.x = origin.x + cos(phi) * dx - sin(phi) * dy;
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rotated.y = origin.y + sin(phi) * dx + cos(phi) * dy;
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return rotated;
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}
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std::vector<Point> rotatePoints(const Point& origin, const std::vector<Point>& pts, double angle) {
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std::vector<Point> rotatedPoints;
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for (const auto& p : pts) {
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rotatedPoints.push_back(rotatePoint(origin, p, angle));
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}
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return rotatedPoints;
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}
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void fillPoly4(const std::vector<Point>& p4, uint16_t color) {
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getdisplay().fillTriangle(p4[0].x, p4[0].y, p4[1].x, p4[1].y, p4[2].x, p4[2].y, color);
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getdisplay().fillTriangle(p4[0].x, p4[0].y, p4[2].x, p4[2].y, p4[3].x, p4[3].y, color);
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}
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// Draw centered text
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void drawTextCenter(int16_t cx, int16_t cy, String text) {
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int16_t x1, y1;
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uint16_t w, h;
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getdisplay().getTextBounds(text, 0, 150, &x1, &y1, &w, &h);
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getdisplay().setCursor(cx - w / 2, cy + h / 2);
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getdisplay().print(text);
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}
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// Draw right aligned text
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void drawTextRalign(int16_t x, int16_t y, String text) {
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int16_t x1, y1;
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uint16_t w, h;
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getdisplay().getTextBounds(text, 0, 150, &x1, &y1, &w, &h);
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getdisplay().setCursor(x - w, y);
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getdisplay().print(text);
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}
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// Show a triangle for trend direction high (x, y is the left edge)
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void displayTrendHigh(int16_t x, int16_t y, uint16_t size, uint16_t color){
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getdisplay().fillTriangle(x, y, x+size*2, y, x+size, y-size*2, color);
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